Is electricity making us sleep less? A new study on sleep in preindustrial societies suggests the answer is no. But it misses a big point: people in preindustrial societies spend more time in darkness than we do.

We all have a poor night’s sleep from time to time: those nights when you lie awake for hours trying desperately to go to sleep but can’t stop worrying about tomorrow. Or when you repeatedly wake up throughout…

The history of Australian medical research is an unabashed good news story: it’s led to many astounding yet common medical treatments and to better understanding of disease. In fact, as a society we benefit…